CN115902558B - Withstand voltage testing device of electric energy meter - Google Patents
Withstand voltage testing device of electric energy meter Download PDFInfo
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- CN115902558B CN115902558B CN202310117364.7A CN202310117364A CN115902558B CN 115902558 B CN115902558 B CN 115902558B CN 202310117364 A CN202310117364 A CN 202310117364A CN 115902558 B CN115902558 B CN 115902558B
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- gasket
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Abstract
The invention relates to the technical field of withstand voltage test of electric energy meters, in particular to an withstand voltage test device of an electric energy meter. Through the gasket of movable grafting equipment in the wiring hole of transmission table case, and install the fuse that can deal with high-voltage current timely cut-off between gasket and core bar, and at insulating sleeve's external mounting can carry out closely the first protection pad and the second protection pad of centre gripping to insulating sleeve and protective tube, utilize simultaneously to install two elastic support poles on first protection pad and second protection pad and support the location of table case wiring hole inner wall, detect the wire and pass through the patch cord, core bar and gasket after with the electric current conduction to the table incasement this moment, once survey voltage surpasses rated limit after, the fuse alright in time block the electric current and cause the impact to the table case, and then reduce the table case and detect the time and damage.
Description
Technical Field
The invention relates to the technical field of withstand voltage test of electric energy meters, in particular to a withstand voltage test device of an electric energy meter.
Background
The electric energy meter can reach the use standard after being assembled, the electric energy meter needs to be subjected to high-voltage resistance test, the single-phase electric energy meter is electrified with high voltage for a period of time, and then whether the single-phase electric energy meter is good or not is detected, and the standard of the national standard can be born, so that the voltage resistance is qualified.
But traditional adoption needle survey's mode detects the period to the electric energy meter, in case the survey voltage surpasses electric energy meter detection range after, appear fusing phenomenon between the terminal of electric energy meter and the detection wire, can cause the damage of electric energy meter inner assembly when serious, be unfavorable for the safety of guarantee electric energy meter.
According to the above-mentioned illustration, how to avoid the damage to the internal binding post of the electric energy meter caused by the excessively high voltage during the voltage detection of the traditional electric energy meter, and ensure the normal use of the electric energy meter after detection, namely the technical difficulty to be solved by the invention.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows:
the utility model provides an electric energy meter withstand voltage testing arrangement, includes ammeter mechanism, elevating system and wiring test mechanism, ammeter mechanism includes the table case, installs the base in the table case and connect the terminal in the table case, elevating system is including installing body frame and the base in table case bottom, swing joint in the roof beam frame of base bottom, movable mounting is in the bearing piece of body frame bottom, install stand on one side of the bearing piece, connect the horizontal pole that is far away from bearing piece one side at the stand and install the bearing piece at the horizontal pole other end, wiring test mechanism includes the first protection pad that is located the table case wiring hole, is located the second protection pad of first protection pad bottom, threaded connection is at two screw rods of first protection pad and second protection pad inside, install respectively at two elastic support poles on first protection pad and second protection pad, connect in the guide arm piece of guide arm bottom, movable mounting in the beam wire tie-in first protection pad and second protection pad one end, be located the wire tie-in wire loop pipe inside and the wire tie-in the second protection pad and be located first protection pad and the second protection pad and be located the core bar and the insulating sleeve, the insulating sleeve is located between the second protection pad is located the insulating sleeve, the insulating sleeve is installed to the second protection pad, the insulating sleeve is located between the insulating sleeve between the first protection pad and the insulating sleeve.
The present invention may be further configured in a preferred example to: the main frame is composed of two groups of L-shaped clips, and a cross rod is connected between the two groups of clips.
Through adopting above-mentioned technical scheme, utilize to support the L shape clip in body frame and the base to the bottom of the pair of meter case to cooperate the connection of bearing piece to the body frame, combine the vertical promotion of roof beam frame to the base simultaneously, after the roof beam frame sideslip, the base can be upwards promoted by the roof beam frame this moment, so that alright ensure that the one end of meter case is upwards turned on one's side, thereby can ensure that the arc copper sheet of a plurality of electrode slice bottom is in safe connected state with the wiring of survey rated voltage equipment.
The present invention may be further configured in a preferred example to: the top and the bottom of the beam frame are provided with inwards concave grooves, and one side of the bottom end of the beam frame is connected with a positioning nut.
Through adopting above-mentioned technical scheme, utilize the locating nut control roof beam frame of roof beam frame bottom to carry out the sideslip along the horizontal pole, the base alright carry out directional promotion with the one end of table case this moment, and then can ensure that electrode slice bottom arc copper sheet and desktop keep enough safe mesa.
The present invention may be further configured in a preferred example to: the first protection pad and the second protection pad are made of silica gel materials, and the first protection pad and the second protection pad penetrate through one end of the wiring hole in the watch box to form a round table-shaped end head.
Through adopting above-mentioned technical scheme, utilize first protection pad and second protection pad to fix a position the centre gripping with insulating sleeve, install the core bar in insulating sleeve this moment and can conduct the electric current to the gasket under insulating environment on, install two elastic support poles on first protection pad and second protection pad this moment and can load the inseparable location of first protection pad and second protection pad after the combination in the wiring downthehole of table case to can ensure the security that the device used.
The present invention may be further configured in a preferred example to: the external thread of screw rod is connected with the nut, and the cylindricality end adaptation of screw rod bottom runs through to insulating sleeve's inside, insulating sleeve is made by insulating ceramic material, the guide arm comprises annular lasso and copper post guide arm, and annular lasso peg graft in the outside of core bar, the T font sleeve pipe has been seted up to the one end that the lasso was kept away from the patch cord, and the lasso pipe is made by rubber material.
Through adopting above-mentioned technical scheme, utilize the nut on two screw rods to carry out the pressurization centre gripping to first protection pad and second protection pad, the cylindricality end that combines the screw rod inner stud bottom simultaneously is to insulating sleeve's connection, first protection pad and the second protection pad that lie in insulating sleeve bottom and bottom this moment alright with restraint line ring pipe locate clip dress, restraint line ring pipe grafting on first protection pad and second protection pad this moment alright be to the patch cord location centre gripping, can provide enough protection in guaranteeing the whole conducted voltage period of protection subassembly after the equipment outside to the table case, can also utilize guide arm and electrode slice to carry out accurate observation to the detected voltage.
By adopting the technical scheme, the beneficial effects obtained by the invention are as follows:
1. according to the invention, the assembled gasket is movably inserted in the wiring hole of the transmission meter box, the fuse wire which can timely cut off the high-voltage current is arranged between the gasket and the core rod, the first protection pad and the second protection pad which can tightly clamp the insulating sleeve and the protective tube are arranged outside the insulating sleeve, and meanwhile, the two elastic support rods arranged on the first protection pad and the second protection pad are utilized for positioning and supporting the inner wall of the wiring hole of the meter box, so that after the detection wire conducts current into the meter box through the adapter wire, the core rod and the gasket, once the measured voltage exceeds the rated limit, the fuse wire can timely cut off the impact of the current on the meter box, and further damage to the meter box during detection is reduced.
2. According to the invention, the guide rod is arranged in the second protection pad, the lantern ring at the top of the guide rod is connected to the outside of the core rod, the bottom end of the guide rod is connected with the electrode plate, the wire body of the electrode plate can position and clamp a plurality of positioning pieces at the bottom of the meter box, the arc-shaped copper sheet arranged at the bottom end of the electrode plate can be safely docked with rated current detection equipment, and after the control beam frame moves transversely along the cross rod, the base can drive one end of the meter box to be lifted upwards, so that a plurality of arc-shaped copper sheets at the bottom of the meter box can be effectively ensured to be in a safe wiring state.
Drawings
FIG. 1 is a schematic diagram of one embodiment of the present invention;
FIG. 2 is a schematic bottom view of an embodiment of the present invention;
FIG. 3 is a dispersion diagram of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is a partial cross-section and a dispersion schematic of FIG. 3 according to an embodiment of the present invention;
FIG. 5 is a partially dispersed schematic illustration of FIG. 4 in accordance with an embodiment of the invention;
FIG. 6 is a schematic illustration of the dispersion of FIG. 1 and a partial cross-section thereof, in accordance with one embodiment of the present invention;
FIG. 7 is a schematic partial cross-sectional view of FIG. 6 according to one embodiment of the present invention;
FIG. 8 is a schematic view of the internal cross-section of FIG. 6 according to one embodiment of the present invention;
FIG. 9 is a dispersion diagram of FIG. 8 according to one embodiment of the invention
Reference numerals:
100. an electricity meter mechanism; 110. a meter box; 120. a base; 130. binding posts;
200. a lifting mechanism; 210. a main frame; 220. a base; 230. a beam frame; 240. a load bearing member; 250. a column; 260. a cross bar; 270. a support;
300. a wiring test mechanism; 310. a first pad; 320. a second pad; 330. a screw; 340. an elastic support rod; 350. a guide rod; 360. an electrode sheet; 370. a wire loop pipe is bundled; 380. an patch cord; 390. a protective assembly; 391. an insulating sleeve; 392. a spring; 393. a gasket; 394. a core bar; 395. a protective tube; 396. a gasket; 397. and a fuse.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
It is to be understood that this description is merely exemplary in nature and is not intended to limit the scope of the present invention.
The following describes a withstand voltage test device for an electric energy meter according to some embodiments of the present invention with reference to the accompanying drawings.
Embodiment one:
referring to fig. 1 to 9, the voltage withstand test device for an electric energy meter provided by the invention comprises an electric energy meter mechanism 100, a lifting mechanism 200 and a wiring test mechanism 300, wherein the lifting mechanism 200 is installed on the electric energy meter mechanism 100, and the wiring test mechanism 300 is movably installed in the electric energy meter mechanism 100.
The electricity meter mechanism 100 comprises a meter box 110, a base 120 and a binding post 130, the lifting mechanism 200 comprises a main frame 210, a base 220, a beam frame 230, a bearing member 240, a column 250, a cross bar 260 and a bearing member 270, the wiring testing mechanism 300 comprises a first protection pad 310, a second protection pad 320, a screw 330, an elastic support bar 340, a guide bar 350, an electrode sheet 360, a wire harness loop 370, an adapter wire 380 and a protection assembly 390, and the protection assembly 390 further comprises an insulating sleeve 391, a spring 392, a washer 393, a core bar 394, a fuse tube 395, a spacer 396 and a fuse 397.
Specifically, the base 120 is installed in the watch box 110, the binding post 130 is connected in the watch box 110, the main frame 210 and the base 220 are installed at the bottom of the watch box 110, the beam frame 230 is movably connected to the bottom of the base 220, the bearing member 240 is movably installed at the bottom of the main frame 210, the upright 250 is installed at one side of the bearing member 240, the cross rod 260 is connected to one side of the upright 250 far away from the bearing member 240, the bearing member 270 is installed at the other end of the cross rod 260, the first protection pad 310 is located in a wiring hole of the watch box 110, the second protection pad 320 is located at the bottom of the first protection pad 310, two screws 330 are connected in the first protection pad 310 and the second protection pad 320 in a threaded manner, two elastic support rods 340 are respectively installed on the first protection pad 310 and the second protection pad 320, the guide rod 350 is connected in the second protection pad 320, the electrode sheet 360 is connected to the bottom of the guide rod 350, the wire loop tube 370 is movably installed at one end of the first protection pad 310 and the second protection pad 320, the adapter wire 380 is located at the other end of the wire loop tube 370, the first protection assembly 390 is located at the first protection pad 310 and the second protection pad 320, the middle part of the second protection assembly is located at the first protection pad 391 is located at the middle part of the insulation sleeve 394 and the insulation sleeve 394 is connected between the insulation sleeve 394 and the insulation sleeve 394, the insulation sleeve 394 is connected between the insulation sleeve 394 and the insulation sleeve 394 is connected between the insulation sleeve 394 and the insulation sleeve 394.
The collar at the top of the guide rod 350 is connected to the outside of the core bar 394, the bottom of the guide rod 350 is connected to the electrode plate 360, at this time, the wire body of the electrode plate 360 can position and clamp a plurality of positioning pieces at the bottom of the meter box 110, at this time, the arc copper sheet arranged at the bottom of the electrode plate 360 can be safely docked with rated current detection equipment, when the control beam frame 230 moves transversely along the cross bar 260, the base 220 can drive one end of the meter box 110 to lift upwards, so that the arc copper sheet can be ensured to be in a safe wiring state, the first protection pad 310 and the second protection pad 320 which can tightly clamp the insulation sleeve 391 and the safety tube 395 are arranged outside the insulation sleeve 391, and at the same time, the positioning support of the two elastic support rods 340 arranged on the first protection pad 310 and the second protection pad 320 on the inner wall of the wiring hole of the meter box 110 is utilized, at this time, after the detection wire passes through the rated current lines 380 and 394 and the gasket to conduct current into the meter box 110, once the measurement voltage exceeds the rated limit, the fuse 397 can timely block the current to impact the meter box 110, and damage occurs to the meter box 110 during the detection period is reduced.
Embodiment two:
referring to fig. 4 and 5, on the basis of the first embodiment, the main frame 210 is formed by two sets of L-shaped clips, a cross bar is connected between the two sets of clips, the top and the bottom of the beam 230 are provided with concave grooves, and one side of the bottom end of the beam 230 is connected with a positioning nut.
The bottom of the meter box 110 is supported by using the L-shaped clips in the main frame 210 and the base 220, the main frame 210 is connected by matching with the bearing piece 240, the base 220 is lifted upwards by combining with the vertical lifting of the beam frame 230, after the beam frame 230 moves transversely, the base 220 can be lifted upwards by the beam frame 230, so that one end of the meter box 110 can be ensured to roll upwards, the beam frame 230 is controlled to move transversely along the cross rod 260 by matching with the positioning nut at the bottom end of the beam frame 230, the base 220 can lift one end of the meter box 110 directionally, and accordingly, the arc copper sheets at the bottom ends of the electrode plates 360 and the wiring of the equipment for measuring rated voltage can be ensured to be in a safe connection state.
Embodiment III:
referring to fig. 6-9, on the basis of the first embodiment, the first protection pad 310 and the second protection pad 320 are made of a silica gel material, one end of the first protection pad 310 and the second protection pad 320 penetrating through the wiring hole in the watch box 110 is provided with a truncated cone-shaped end, the external thread of the screw 330 is connected with a nut, the cylindrical end at the bottom of the screw 330 is adapted to penetrate through the inside of the insulating sleeve 391, the insulating sleeve 391 is made of an insulating ceramic material, the guide rod 350 is composed of an annular ferrule and a copper column guide rod, the annular ferrule is inserted outside the core rod 394, one end of the wire-binding ring tube 370, far from the adapter wire 380, is provided with a T-shaped sleeve, and the wire-binding ring tube 370 is made of a rubber material.
The first protection pad 310 and the second protection pad 320 are used for positioning and clamping the insulation sleeve 391, at this time, the core rod 394 installed in the insulation sleeve 391 can conduct current to the gasket 396 in an insulated environment, the two elastic support rods 340 installed on the first protection pad 310 and the second protection pad 320 can tightly position and load the combined first protection pad 310 and second protection pad 320 in the wiring hole of the meter box 110, meanwhile, the first protection pad 310 and the second protection pad 320 at the bottom and the bottom of the insulation sleeve 391 can perform positioning and clamping on the wire harness loop 370 by combining the cylindrical end heads at the bottom of the stud in the screw 330, the wire harness loop 370 spliced on the first protection pad 310 and the second protection pad 320 can perform positioning and clamping on the wire harness 380, and besides providing enough protection for the meter box 110 during the whole conducting voltage of the protection assembly 390, the detection voltage can also be accurately observed by using the guide rod 350 and the electrode plate 360.
The working principle and the using flow of the invention are as follows: the patch cord 380 is inserted into the insulating sleeve 391 in advance, the exposed wire at one end of the patch cord 380 is positioned and clamped by the gasket 393, at this time, the exposed wire end of the patch cord 380 is contacted with the core bar 394, then the gasket 396 is connected with the core bar 394 by the fuse 397, at this time, the second protection pad 320 positioned under the protection assembly 390 can provide insulation protection for the whole protection assembly 390, the guide rod 350 penetrating into the second protection pad 320 can be looped on the core bar 394, then the first protection pad 310 is assembled on the top of the first protection pad 310, then one end of the wire loop tube 370 far away from the patch cord 380 is inserted on the ends of the assembled first protection pad 310 and second protection pad 320, then the two screws 330 screwed at the middle parts of the first protection pad 310 and the second protection pad 320 are adjusted, at this time, the nuts positioned outside the screws 330 tightly clamp the first protection pad 310 and the second protection pad 320 outside the insulating sleeve 391, then the electrode plate 360 is connected to the bottom of the guide rod 350, the wire body of the electrode plate 360 can be bound by a plurality of positions at the bottom of the meter box 110, then the machined and assembled protective assembly 390 is inserted into a slotted hole at one end of the meter box 110, at this time, the gasket 396 can be clamped by the binding post 130 and the base 120, when in use, an operator needs to rotate the nut on the beam 230 anticlockwise and push the beam 230 to extend transversely along the cross rod 260 until the base 220 drives one end of the meter box 110 far away from the wiring testing mechanism 300 to lift upwards, then the equipment for measuring rated current is connected to the arc copper sheet at the bottom end of the electrode plate 360 by using a wire, at this time, the meter box 110 in a side-turning state can effectively protect the absolute safety range between the electrode plate 360 and an external device during measurement to avoid the generation of electric arcs, when the rated voltage detected exceeds the bearing limit of the meter box 110, the fuse 397 connected between the gasket 396 and the core rod 394 can cut off the current rapidly, so as to avoid the damage to the meter box 110 caused by the current exceeding the detection range.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. The withstand voltage testing device of the electric energy meter is characterized by comprising an electric meter mechanism (100), a lifting mechanism (200) and a wiring testing mechanism (300);
the ammeter mechanism (100) comprises a meter box (110), a base (120) arranged in the meter box (110) and a binding post (130) connected in the meter box (110);
the lifting mechanism (200) is arranged on the ammeter mechanism (100) and comprises a main frame (210) arranged at the bottom of the ammeter box (110), a base (220) arranged at the bottom of the ammeter box (110), a beam frame (230) movably connected to the bottom end of the base (220), a bearing piece (240) movably arranged at the bottom of the main frame (210), an upright post (250) arranged at one side of the bearing piece (240), a cross rod (260) connected to one side of the upright post (250) far away from the bearing piece (240) and a bearing piece (270) arranged at the other end of the cross rod (260);
the bottom end of the beam frame (230) is provided with a positioning nut, and the positioning nut is used for controlling the beam frame (230) to transversely move along the cross rod (260) to promote the lifting of the watch box (110);
the wiring testing mechanism (300) is movably arranged in the ammeter mechanism (100) and comprises a first protection pad (310) positioned in a wiring hole of the ammeter box (110), a second protection pad (320) positioned at the bottom of the first protection pad (310), two screws (330) respectively connected with the inside of the first protection pad (310) and the second protection pad (320) in a threaded mode, two elastic supporting rods (340) respectively arranged on the first protection pad (310) and the second protection pad (320), a guide rod (350) connected with the inside of the second protection pad (320), an electrode plate (360) connected with the bottom end of the guide rod (350), a wire harness loop pipe (370) movably arranged at one end of the first protection pad (310) and one end of the second protection pad (320), an adapter wire (380) positioned in the wire harness loop pipe (370) and a protection assembly (390) positioned in the middle of the first protection pad (310) and the second protection pad (320);
the protection assembly (390) comprises an insulating sleeve (391) positioned between the first protection pad (310) and the second protection pad (320), a spring (392) connected to the insulating sleeve (391), a gasket (393) movably installed in the insulating sleeve (391), a core rod (394) installed inside the insulating sleeve (391), a safety tube (395) installed on the core rod (394), a gasket (396) connected to the other end of the safety tube (395) and a fuse (397) connected between the core rod (394) and the gasket (396);
the gasket (396) is clamped by the binding post (130) and the base (120), the guide rod (350) is composed of an annular ferrule and a copper column guide rod, and the annular ferrule is inserted outside the core rod (394).
2. The withstand voltage testing apparatus of claim 1, wherein the main frame (210) is composed of two sets of L-shaped clips, and a cross bar is connected between the two sets of clips.
3. The withstand voltage testing apparatus of claim 1, wherein the top and the bottom of the beam (230) are provided with concave grooves, and one side of the bottom end of the beam (230) is connected with a positioning nut.
4. The withstand voltage test device of claim 1, wherein the first protection pad (310) and the second protection pad (320) are made of silica gel material, and one end of the first protection pad (310) and the second protection pad (320) penetrating through the wiring hole in the meter box (110) is provided with a truncated cone-shaped end.
5. The withstand voltage test device of an electric energy meter according to claim 1, characterized in that the screw (330) is externally screwed with a nut, and the cylindrical end of the bottom of the screw (330) is adapted to penetrate into the inside of an insulating sleeve (391), the insulating sleeve (391) being made of an insulating ceramic material.
6. The withstand voltage test device of an electric energy meter according to claim 1, wherein a T-shaped sleeve is provided at an end of the wire harness loop (370) far away from the patch cord (380), and the wire harness loop (370) is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310117364.7A CN115902558B (en) | 2023-02-15 | 2023-02-15 | Withstand voltage testing device of electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310117364.7A CN115902558B (en) | 2023-02-15 | 2023-02-15 | Withstand voltage testing device of electric energy meter |
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| Publication Number | Publication Date |
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| CN115902558A CN115902558A (en) | 2023-04-04 |
| CN115902558B true CN115902558B (en) | 2023-05-12 |
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| CN202310117364.7A Active CN115902558B (en) | 2023-02-15 | 2023-02-15 | Withstand voltage testing device of electric energy meter |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116148514B (en) * | 2023-04-23 | 2023-06-30 | 江苏盛德电子仪表有限公司 | Explosion-proof electric energy meter |
| CN116990745B (en) * | 2023-09-27 | 2023-12-01 | 江苏盛德电子仪表有限公司 | Guide rail type electric energy meter detection device |
| CN117347690B (en) * | 2023-12-04 | 2024-02-09 | 江苏盛德电子仪表有限公司 | Flip type electric energy meter |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6921290B1 (en) * | 2004-03-09 | 2005-07-26 | Cooper Technologies Company | Socket assembly for an electric meter box |
| JP3131448U (en) * | 2007-02-20 | 2007-05-10 | 日本電気計器検定所 | Electricity meter connector |
| CN205826855U (en) * | 2016-06-30 | 2016-12-21 | 珠海泰易自动化设备有限公司 | Electric energy meter testboard |
| CN206906432U (en) * | 2017-07-14 | 2018-01-19 | 国网山东省电力公司电力科学研究院 | A kind of electric energy meter pressure test rapid wiring device |
| CN109917164A (en) * | 2019-04-10 | 2019-06-21 | 浙江正泰仪器仪表有限责任公司 | Electric energy meter and electric energy meter electricity box |
| CN112904065B (en) * | 2021-03-29 | 2022-06-24 | 国家电网有限公司 | Electric energy meter capable of automatically cutting off power supply in case of abnormal power supply |
| CN113189380A (en) * | 2021-05-05 | 2021-07-30 | 韩芳 | Application method of intelligent electric meter |
| CN115144435B (en) * | 2022-09-05 | 2022-11-08 | 江苏腾炎电气有限公司 | Test machine for insulation cylinder inspection |
| CN115561698B (en) * | 2022-12-05 | 2023-03-10 | 江苏华鹏智能仪表科技股份有限公司 | Portable ammeter detection device |
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